How do I convert Base64 back to an image?

Paste the Base64 string or data URI — the image previews instantly and downloads with the correct extension. Everything runs in your browser.

Does it work without the data URI prefix?

Yes — paste raw Base64 and pick the format; URL-safe characters and missing padding are fixed automatically.

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Base64 to Image

Paste a Base64 string — with or without the data URI prefix — and get your image back instantly.

Base64 string or data URI

Format (for raw Base64 without prefix)

🔒 Decoded in your browser — the data never leaves this page

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From string back to picture

Base64 images hide everywhere — inside CSS files, JSON API responses, HTML emails, database dumps and log files. When you need the actual image back, paste the string here: the tool accepts full data URIs, raw Base64 (pick the format), and even URL-safe Base64 with missing padding — it normalizes everything automatically. You get an instant preview on a transparency-checkered background, the decoded dimensions and true byte size, and a one-click download with the correct file extension. It's the exact reverse of our Image to Base64 tool.

FAQ

Do I need the "data:image/png;base64," prefix?

No — with the prefix the format is detected automatically; without it, just pick the format from the dropdown. URL-safe Base64 and missing padding are fixed automatically too.

Why does my string decode but not show an image?

The bytes decoded fine but don't match the selected format — try another format from the dropdown (a JPG string decoded as PNG won't render).

Is there a size limit?

Browsers handle multi-megabyte strings fine, though extremely large ones may take a moment. Everything stays on your device.

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